Silva Center for Phycological Documentation: Index Nominum Algarum

The INA is a card file and online reporting system maintained at the Silva Center for Phycological Documentation of the University Herbarium, University of California, Berkeley. It contains nearly 200,000 names of algae (in the broad sense). The BPU is a card file containing bibliographic references pertaining to algal taxonomy.
A working list of algal type specimens at UC is available here

Results from INA database

NameAuthorSourceCitationYear
Gomphonema jadwigae_('jadwigiae')H. Lange-Bertalot & Reichardt in H. Lange-Bertalot & D. Metzeltin Iconogr. Diatomol. 2: 70, pl. 98: figs. 11-18 1996
JADWIGIAØ. Moestrup, K. Lindberg, & N. Daugbjerg in K. Lindberg, Ø. Moestrup, & N. Daugbjerg Phycologia 44: 432 2005
Jadwigia applanataØ. Moestrup, K. Lindberg, & N. Daugbjerg in K. Lindberg, Ø. Moestrup, & N. Daugbjerg Phycologia 44: 432, figs. 39-69 2005
Jadwigia hiemalis(Wołoszyńska) Moestrup in Moestrup & Calado Süsswasserfl. Mitteleuropa 6: 362 2018
Jadwigia limnetica(Bursa) Moestrup in Moestrup & Calado Süsswasserfl. Mitteleuropa 6: 364 2018
Jadwigia neglecta(A.J. Schilling) Moestrup in Moestrup & Calado Süsswasserfl. Mitteleuropa 6: 364 2018